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Influence of leaf-cover on visual quality and health-promoting phytochemicals in loose-curd cauliflower florets

文献类型： 外文期刊

作者： Wang, Jiansheng 1 ; Zhao, Zhenqing 1 ; Sheng, Xiaoguang 1 ; Yu, Huifang 1 ; Gu, Honghui 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Vegetables, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Brassica oleracea;Glucosinolate;Anthocyanin;Color;Ascorbic acid

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.952； 五年影响因子：5.383 ）

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收录情况： SCI

摘要： Three cultivars were used to evaluate the influence of leaf-cover for three and six days on visual quality, health-promoting compounds and antioxidant capacity in loose-curd cauliflower. Leaf-cover significantly promoted the lightness and reduced chroma of the curd surface. Moreover, leaf-cover significantly reduced the contents of important antioxidants, including chlorophylls, carotenoids, and anthocyanins, as well as ascorbic acid in loose-curd cauliflower. Nevertheless, leaf-cover significantly induced the production of total phenolics in these loose-curd cauliflowers after three days. Furthermore, the changes of individual glucosinolates and ferric reducing antioxidant power were depended not only on the growing cover conditions but also on the genotypic characteristics. These results suggested that leaf-cover improved the visual quality but impaired the accumulation of some important health-promoting compounds in florets during the development of cauliflower curd. (C) 2014 Elsevier Ltd. All rights reserved.

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